{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["spouse", "members", "countries of residence", "origin"], "input": "They hope to join alumni like Arlene Shuler a former Joffrey dancer who is now president of  New York  City Center ; Alicia Graf who danced with  Alvin Ailey  American Dance Theater and Dance Theater of Harlem ; Michael Novak now with the Paul Taylor Dance Company ; and Lydia Walker who toured with the Suzanne Farrell Ballet and helped form the student-run Columbia Ballet Collaborative in 2007 ."}
{"spouse": [], "members": [], "countries of residence": [], "origin": []}